eating disorders Flashcards
clinical description of anorexia nervosa
- deliberate restriction of food intake
- morbid fear of gaining weight/ becoming fat
- body weight/shape strongly influences self evaulation
Two subtypes of anorexia
- restricting type (dieting/fasting)
2. Binge-eating/ purging
Medical consequences of anorexia
Amenorrhea (absence of 3 menstrul cycles)
sensitivity to cold (lanugo)
heart probs
electrolyte imbalance (if purging)
Anorexia prevalence/gender/onset
- less than 1%
-10x more common in women
onset- early teens (15-19)
Bulimia Nervosa clinical description
Binge- eating more than most people in a 2 hour period
compensatory behaviours- vommiting, laxatives, exercise
1x per week on average for 3 m
medical consequences of bulimia
vommiting:
- salivary gland enlargement
- eroded dental enamel
- electrolyte imbalance
- calluses on fingers/hands
Lacitive use:
-intestinal probs
Blumia- prevelence/onset and gender
1-2%
10X more common in women
teens
Binge eating disorder clinical disorder
Recurrent binge eating
-large amount of food (<2hrs)
-lack of control (1x week for 3 months)
NO compensatory behaviours
Binge episodes occur with 3 or more of the following
- eating more rapidly than normal
- eating until uncomfortably full
- large amounts when not physically hungry
- eating alone due to embarasment
- feeling disgusted after
binge eating prevelence, gender, onset
1-2%
2x more common in women
adolescence or young adulthood
Prior to DSM 5 what were eating issues diagnosed as when not reaching all criteria of other disorders
EDNOS (eating disorder not otherwise specified)
What does DSM consider eating issues that dont meet all the criteria and what are some ex
Unspecified
specified- Atylpical anorexia (low weight), Buemia/BED without meeting frequency, purging disorder, night eating syndrome
Biological influences of eating disorders
runs in families (4-5x greater risk)
lesions in hypothalmas
starvation may be linked to endogenous opiods and the feeling may be rewarding
social factors for eating disorders
- Thinness equals success (media)
- Scarlett ohara effect
how does family influence eating disorders
high levels of conflict